Lawyers argue over proper sentence for cyanide mailer

Opposing lawyers disagree on whether a man convicted of mailing fatal cyanide was a calculated killer or a victim of his own mental illness.

Sidney Kilmartin was found guilty in 2016 of mailing injurious articles resulting in death and witness tampering. The Windham man was scheduled to be sentenced Friday at U.S. District Court in Portland but statements from witnesses and lawyers did not conclude by close of business. The case is expected to resume in May.

Kilmartin was charged with advertising and mailing a substance he said was cyanide to several suicidal people. It was really Epsom salt. But investigators say he later sent the real thing to an Englishman. The man used it to kill himself.

Investigators say Kilmartin wanted to prevent the man from reporting fraud.